class_docstr: VissimVehicle holds the data relative to traffic vehicles in vissim.
docstr: Returns the vehicle's velocity.
docstr_tok: ["Returns","the","vehicle","'s","velocity","."]
code: def get_velocity(self):
      """
      Returns the vehicle's velocity.
      """
      return self._velocity
  
imports: import enum
  import logging
  import math
  import os
  import carla
  from ctypes import *
  from .None import constants
label_desc: Use image node_id 2 for calling the VissimVehicle obj's underlying member method code with example usage: obj.get_velocity() and returns: self